2 * Copyright (c) 2015 Etienne Gemsa <etienne.gemsa@lse.epita.fr>
3 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include <linux/ioctl.h>
33 #ifdef HAVE_LINUX_INPUT_H
34 #include <linux/input.h>
35 #include "xlat/evdev_abs.h"
36 #include "xlat/evdev_autorepeat.h"
37 #include "xlat/evdev_ff_status.h"
38 #include "xlat/evdev_ff_types.h"
39 #include "xlat/evdev_keycode.h"
40 #include "xlat/evdev_leds.h"
41 #include "xlat/evdev_misc.h"
42 #include "xlat/evdev_mtslots.h"
43 #include "xlat/evdev_prop.h"
44 #include "xlat/evdev_relative_axes.h"
45 #include "xlat/evdev_snd.h"
46 #include "xlat/evdev_switch.h"
47 #include "xlat/evdev_sync.h"
54 decode_envelope(struct ff_envelope *envelope)
56 tprintf(", envelope={attack_length=%" PRIu16 ", attack_level=%" PRIu16
57 ", fade_length=%" PRIu16 ", fade_level=%" PRIx32 "}",
58 envelope->attack_length,
59 envelope->attack_level,
60 envelope->fade_length,
61 envelope->fade_level);
65 ff_effect_ioctl(struct tcb *tcp, long arg)
69 if (!verbose(tcp) || umove(tcp, arg, &ffe) < 0)
73 printxval(evdev_ff_types, ffe.type, "FF_???");
74 tprintf(", id=%" PRIu16 ", direction=%" PRIu16,
75 ffe.id, ffe.direction);
78 tprintf(", trigger={button=%" PRIu16 ", interval=%" PRIu16 "}",
79 ffe.trigger.button, ffe.trigger.interval);
80 tprintf(", replay={lenght=%" PRIu16 ", delay=%" PRIu16 "}",
81 ffe.replay.length, ffe.replay.delay);
84 tprintf(", constant_ef={%" PRIi16,
85 ffe.u.constant.level);
86 decode_envelope(&ffe.u.constant.envelope);
90 tprintf(", ramp={start_level=%" PRIi16
91 ", end_level=%" PRIi16,
92 ffe.u.ramp.start_level,
93 ffe.u.ramp.end_level);
94 decode_envelope(&ffe.u.ramp.envelope);
98 tprintf(", periodic_ef={waveform=%" PRIu16
100 ", magnitude=%" PRIi16
103 ffe.u.periodic.waveform,
104 ffe.u.periodic.period,
105 ffe.u.periodic.magnitude,
106 ffe.u.periodic.offset,
107 ffe.u.periodic.phase);
108 decode_envelope(&ffe.u.periodic.envelope);
109 tprintf(", custom_len=%" PRIu32
110 ", *custom_data=%#lx}",
111 ffe.u.periodic.custom_len,
112 (unsigned long)ffe.u.periodic.custom_data);
115 tprintf(", rumble={strong_magnitude=%" PRIu16
116 ", weak_magnitude=%" PRIu16 "}",
117 ffe.u.rumble.strong_magnitude,
118 ffe.u.rumble.weak_magnitude);
136 abs_ioctl(struct tcb *tcp, long arg)
138 struct input_absinfo absinfo;
140 if (!verbose(tcp) || umove(tcp, arg, &absinfo) < 0)
143 tprintf(", {value=%" PRIu32 ", minimum=%" PRIu32,
144 absinfo.value, absinfo.minimum);
146 tprintf(", maximum=%" PRIu32 ", fuzz=%" PRIu32,
147 absinfo.maximum, absinfo.fuzz);
148 tprintf(", flat=%" PRIu32, absinfo.flat);
149 #ifdef HAVE_STRUCT_INPUT_ABSINFO_RESOLUTION
150 tprintf(", resolution=%" PRIu32, absinfo.resolution);
160 keycode_ioctl(struct tcb *tcp, long arg)
162 unsigned int keycode[2];
169 if (!verbose(tcp) || umove(tcp, arg, &keycode) < 0)
172 tprintf(", [%u, ", keycode[0]);
173 printxval(evdev_keycode, keycode[1], "KEY_???");
178 #ifdef EVIOCGKEYCODE_V2
180 keycode_V2_ioctl(struct tcb *tcp, long arg)
182 struct input_keymap_entry ike;
189 if (!verbose(tcp) || umove(tcp, arg, &ike) < 0)
192 tprintf(", {flags=%" PRIu8 ", len=%" PRIu8, ike.flags, ike.len);
196 tprintf(", index=%" PRIu16 ", keycode=", ike.index);
197 printxval(evdev_keycode, ike.keycode, "KEY_???");
198 tprints(", scancode=[");
199 for (i = 0; i < ARRAY_SIZE(ike.scancode); i++) {
202 tprintf("%" PRIx8, ike.scancode[i]);
210 #endif /* EVIOCGKEYCODE_V2 */
213 getid_ioctl(struct tcb *tcp, long arg)
217 if (!verbose(tcp) || umove(tcp, arg, &id) < 0)
220 tprintf(", {ID_BUS=%" PRIu16 ", ID_VENDOR=%" PRIu16,
221 id.bustype, id.vendor);
223 tprintf(", ID_PRODUCT=%" PRIu16 ", ID_VERSION=%" PRIu16 "}",
224 id.product, id.version);
232 decode_bitset(struct tcb *tcp, long arg, const struct xlat decode_nr[],
233 const unsigned int max_nr, const char *dflt)
239 if ((unsigned long) tcp->u_rval > max_nr)
243 char decoded_arg[size];
245 if (umoven(tcp, arg, size, decoded_arg) < 0)
250 int bit_displayed = 0;
251 int i = next_set_bit(decoded_arg, 0, size);
255 printxval(decode_nr, i, dflt);
257 while ((i = next_set_bit(decoded_arg, i + 1, size)) > 0) {
258 if (abbrev(tcp) && bit_displayed >= 3) {
263 printxval(decode_nr, i, dflt);
275 mtslots_ioctl(struct tcb *tcp, const unsigned int code, long arg)
277 const size_t size = _IOC_SIZE(code) / sizeof(int32_t);
281 int32_t buffer[size];
283 if (!verbose(tcp) || umove(tcp, arg, &buffer) < 0)
287 printxval(evdev_mtslots, buffer[0], "ABS_MT_???");
290 tprints(", values=[");
292 for (i = 1; i < ARRAY_SIZE(buffer); i++)
293 tprintf("%s%d", i > 1 ? ", " : "", buffer[i]);
298 #endif /* EVIOCGMTSLOTS */
302 repeat_ioctl(struct tcb *tcp, long arg)
306 if (!verbose(tcp) || umove(tcp, arg, &val) < 0)
309 tprintf(", [%" PRIu32 " %" PRIu32 "]", val[0], val[1]);
312 #endif /* EVIOCGREP */
315 evdev_read_ioctl(struct tcb *tcp, const unsigned int code, long arg)
323 if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) {
324 switch (_IOC_NR(code) - 0x20) {
326 return decode_bitset(tcp, arg, evdev_sync,
329 return decode_bitset(tcp, arg, evdev_keycode,
332 return decode_bitset(tcp, arg, evdev_relative_axes,
335 return decode_bitset(tcp, arg,
336 evdev_abs, ABS_MAX, "ABS_???");
338 return decode_bitset(tcp, arg,
339 evdev_misc, MSC_MAX, "MSC_???");
342 return decode_bitset(tcp, arg,
343 evdev_switch, SW_MAX, "SW_???");
346 return decode_bitset(tcp, arg,
347 evdev_leds, LED_MAX, "LED_???");
349 return decode_bitset(tcp, arg,
350 evdev_snd, SND_MAX, "SND_???");
352 return decode_bitset(tcp, arg, evdev_autorepeat,
355 return decode_bitset(tcp, arg, evdev_ff_types,
358 printnum_int(tcp, arg, "%d");
361 return decode_bitset(tcp, arg, evdev_ff_status,
362 FF_STATUS_MAX, "FF_STATUS_???");
368 if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0)))
369 return abs_ioctl(tcp, arg);
374 printnum_int(tcp, arg, "%" PRIx32);
378 printnum_int(tcp, arg, "%" PRIu32);
381 return getid_ioctl(tcp, arg);
384 return repeat_ioctl(tcp, arg);;
387 return keycode_ioctl(tcp, arg);
388 #ifdef EVIOCGKEYCODE_V2
389 case EVIOCGKEYCODE_V2:
390 return keycode_V2_ioctl(tcp, arg);
394 switch (_IOC_NR(code)) {
396 case _IOC_NR(EVIOCGMTSLOTS(0)):
397 return mtslots_ioctl(tcp, code, arg);
399 case _IOC_NR(EVIOCGNAME(0)):
400 case _IOC_NR(EVIOCGPHYS(0)):
401 case _IOC_NR(EVIOCGUNIQ(0)):
403 printstr(tcp, arg, tcp->u_rval - 1);
406 case _IOC_NR(EVIOCGPROP(0)):
407 return decode_bitset(tcp, arg,
408 evdev_prop, INPUT_PROP_MAX, "PROP_???");
410 case _IOC_NR(EVIOCGSND(0)):
411 return decode_bitset(tcp, arg,
412 evdev_snd, SND_MAX, "SND_???");
414 case _IOC_NR(EVIOCGSW(0)):
415 return decode_bitset(tcp, arg,
416 evdev_switch, SW_MAX, "SW_???");
418 case _IOC_NR(EVIOCGKEY(0)):
419 return decode_bitset(tcp, arg,
420 evdev_keycode, KEY_MAX, "KEY_???");
421 case _IOC_NR(EVIOCGLED(0)):
422 return decode_bitset(tcp, arg,
423 evdev_leds, LED_MAX, "LED_???");
430 evdev_write_ioctl(struct tcb *tcp, const unsigned int code, long arg)
435 if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0)))
436 return abs_ioctl(tcp, arg);
441 return repeat_ioctl(tcp, arg);
444 return keycode_ioctl(tcp, arg);
445 #ifdef EVIOCSKEYCODE_V2
446 case EVIOCSKEYCODE_V2:
447 return keycode_V2_ioctl(tcp, arg);
450 return ff_effect_ioctl(tcp, arg);
460 printnum_int(tcp, arg, "%u");
468 evdev_ioctl(struct tcb *tcp, const unsigned int code, long arg)
470 switch(_IOC_DIR(code)) {
472 return evdev_read_ioctl(tcp, code, arg);
474 if (!evdev_write_ioctl(tcp, code, arg))
475 tprintf(", %lx", arg);
482 #endif /* HAVE_LINUX_INPUT_H */